Damir Džumhur defeated Adrian Mannarino in the final, 6–1, 1–6, 6–1, to win the singles title at the 2018 Antalya Open.

Yūichi Sugita was the defending champion, but lost in the second round to Pierre-Hugues Herbert.

Seeds The top four seeds receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References Main draw Qualifying draw